water hardness
A box used to keep provisions cool
(obsolete) Secretly; hidingly.
(inorganic chemistry) The level of dissolved calcium salts in water
(sciences) A type of cylinder used to store compressed gas.
市の検査室は新しいろ過システムを承認する前に、水中に溶けているカルシウム塩の濃度を測定した。
Don't have an account? Sign up
Do you have an account? Login
DiQt
Free
★★★★★★★★★★